NAME

lkmi_memory

SYNOPSIS

#include <lkmi.h >

int lkmi_memory (lkmi_memory_t *mem_info);

PARAMETERS

mem_info
Pointer to structure which is described below.

DESCRIPTION

lkmi_memory obtains informations about real memory space and its usage from /proc/meminfo file and and puts it in lkmi_memory_t structure.

Description of lkmi_memory_t structure.

total
Amount of memory which may be used by applications and dynamic kernel structures.

used
Amount of memory which is currently used by applications.

free
Currently unused real memory.

shared
Total amount of shared memory (I don't know exactly).

Note: Kernel version 2.4 doesn't have this number set in /proc/meminfo file

buffers
Memory which is currently used for file buffers by kernel.

RETURN VALUE

If the function ends successfully then returns 0. If call fails, functions returns -1 and sets errno value to:

EINVAL
NULL pointer assigned as parameter mem_info.

ENOENT
If the /proc/meminfo if doesn't contain Mem: line.

The lkmi_memory function may also fail and set errno for any of the errors specified for the routine fopen(3).

BUGS REPORTING

Please use the SourceForge Reporting page which is located here:

Bug Report

COPYRIGHT

This function is written as part of lkmi library for Linux system and may be freely distributed under GPL terms.

Copyright (c) 1995, 2002 David Doubrava (e-mail: linux_monitor(at)volny(dot)cz ).

SEE ALSO

Origin of values description is in Linux kernel source.

lkmi, lkmi_cpu, lkmi_files, lkmi_filesys, lkmi_hdd, lkmi_hw_intr, lkmi_inodes, lkmi_memory, lkmi_memoryswap, lkmi_net, lkmi_proc, lkmi_readprocesses, lkmi_swap, lkmi_swapex, lkmi_system